Voice service in evolved packet system
US10736026B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 3, 2010 |
| Grant date | Aug 4, 2020 |
| Priority date | — |
| Expiry date | Jun 3, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L65/1073
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Methods and apparatus to manage voice service in evolved packet systems are disclosed. An example method in a User Equipment (UE) with a first indicator related to voice services in an Evolved Packet System (EPS) comprises receiving a Non Access Stratum (NAS) protocol response message with a second indicator and responsive to at least one of the first indicator or the second indicator, determining availability of voice services over IP Multimedia Subsystem (IMS) in at least one of long term evolution (LTE) or global system for mobile communications edge radio access network (GERAN)/universal mobile telecommunications system terrestrial radio access network (UTRAN).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.